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Author Question: The white dwarf that remains when our Sun dies will be mostly made of ________. A) hydrogen B) ... (Read 42 times)

Marty

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on: Jul 27, 2018
The white dwarf that remains when our Sun dies will be mostly made of ________.
 
  A) hydrogen B) neutrons C) helium D) carbon

Question 2

Why do scientists suspect that life first arose near deep-sea volcanic vents or similar environments with abundant chemical energy?
 
  A) A deep ocean environment would have protected early organisms from ultraviolet radiation before the formation of the ozone layer.
  B) All organisms have similar DNA, with further relations having greater differences.
  C) The chemical pathways for extracting energy from chemicals in vents are simpler than photosynthesis.
  D) A and B
  E) A and C
  F) A, B, and C


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bassamabas

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Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

E


Marty

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

bblaney

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Reply 3 on: Yesterday
Excellent

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